Tube of Nulastin’s bestselling lash and brow serum duo for fuller looking lashes

LASH and BROW Dual System

Bestseller Lash Brow

1631 Reviews

Thinning brows and sparse lashes; we've got you. This in demand duo features full sizes of our LASH and BROW serums, designed to enhance the appearance of fullness. Powered by Elastaplex® Technology, our serums support all stages of the natural growth cycle while helping anchor-and-bind hair follicles at the root for visibly reduced shedding and fall out. Experience thicker, fuller looking lashes and brows in as soon as 6 weeks with even greater results by week 12.

Encourages Look of Length
Amplifies Appearance of Fullness
Shapes & Defines

Cruelty Free

Dermatologist Tested

Ophthalmologist Tested

Apply both serums twice daily, AM & PM, after skincare and before makeup application.
Start with clean, dry eyelids & eyebrows.
Apply a thin line of LASH Follicle Fortifying Serum using the applicator to the base of the upper lash line from inner to outer corner.
Do not apply to the lower lash line.
Apply BROW Shape Altering Serum with the spoolie applicator in short, upward brush strokes onto the eyebrows.

WARNING: Use only as instructed. For external use only. Do not get in eyes; in the event of direct contact, rinse with cool water. To reduce the risk of irritation or other side effects, do not apply to lower lash line. If redness or irritation occurs, stop using the product. If irritation or redness persists, consult your doctor. If you tend to have sensitivity to products, we recommend a patch test before use. Do not use if you are pregnant or nursing. If you are being treated for any eye or serious medical condition, consult your doctor prior to use. Keep out of reach of children.

Biodesigned Signal Peptide [Myristoyl Pentapeptide-17]: A biomimetic, five amino acid peptide that supports active melanocytes & keratinocytes to strengthen lashes, enhance eyelash and eyebrow color, and increase visible density.
Biodesigned Elastin [sh-Polypeptide-50]: A biomimetic, full length elastin protein that helps supplement elastin where it is most needed to anchor the lash & brow follicles– minimizing fall out and maximizing visible density and volume.
Biodesigned Keratin: A biomimetic, full length keratin protein that helps supplement keratin where it is most needed to strengthen the eyelash & eye brow follicles.
Biodesigned Hepatocyte Growth Factor [sh-Polypeptide-62]: A biomimetic, full length signal protein that collaborates with natural growth factors to support anagen (growth) and catagen (transition) phases to promote visibly thicker, fuller lashes & brows.
Biodesigned (+)- Cloprostenol Isopropyl Ester: A biomimetic, analog of prostaglandin included at a specific concentration to safely and effectively support natural lash growth for visibly enhanced eyelashes & eyebrows.

LASH Follicle Fortifying Serum: Water (Aqua), Myristoyl Pentapeptide-17, Glycerin, sh-Polypeptide-50 (Elastin), Keratin, Carbomer, Sodium Phytate, Sodium Phosphate, Sodium Chloride, sh-Polypeptide-62, (+)-Cloprostenol Isopropyl Ester, Sodium Hydroxide, Phenoxyethanol.
BROW Shape Altering Serum: Water (Aqua), Myristoyl Pentapeptide-17, Glycerin, sh-Polypeptide-50 (Elastin), Keratin, Carbomer, Sodium Phytate, Sodium Phosphate, Sodium Chloride, sh-Polypeptide-62, (+)-Cloprostenol Isopropyl Ester, Sodium Hydroxide, Phenoxyethanol*

* See product packaging for accurate formula.

Real People. Real Results

More about our Clinical Studies

Week 0

Lashes before using Nulastin Lash Follicle Fortifying Serum

Week 12

Fuller looking lashes after 12 weeks using Nulastin Lash Follicle Fortifying Serum

Week 0

Week 12

Week 0

Enhanced brows before using Nulastin Brow Shape Altering Serum

12 weeks

Week 0

12 weeks

Week 0

Before photo of a woman with sparse lashes and brows

12 weeks

After photo of a woman with fuller looking lashes and brows

Week 0

12 weeks

Clinically Proven to Amplify the Look of Lashes and Brows

100 %

saw visible brow growth*

97 %

noticed lashes growing visibly faster*

Lash and brow serum tubes next to beakers filled with formulas

* Based on the results of a 12-week independent clinical study.

Your Lash and Brow Journey Starts Here

Great results require consistency. With twice daily application of each serum, here’s what you can anticipate.

Pro Tip: Keep your serums in an easy to reach place, like your bathroom counter, so you remember to apply them regularly.

A woman's eye at week 0 before starting her Nulastin renewal journey

Week 0-3

Elastin begins to activate at the root of the hair follicle, preparing for visible changes ahead.

A woman's eye at week 6 on her Nulastin lash and brow renewal journey

Week 3-6

Start seeing subtle changes, like visibly budding lashes and denser looking brows.

A woman's eye at week 12 completing her Nulastin renewal journey

Week 6-12

Your most transformative weeks. Lashes and brows appear thicker and fuller.

Continue applying for more progress or to maintain beautiful, lasting results.

Real Responsibility: We’re rooted in trust and transparency

Chief Science officer and Founder holding Nulastin serums and smiling

All NULASTIN® products meet our Safe Science Standards: Dermatologist tested, cruelty free and formulated without sulfates, parabens, MI/MCI, formaldehydes, phthalates, talc, petrolatum and mineral oil.

Our core NULASTIN ingredients are biomimetic, meaning they mimic the body’s natural production to safely and effectively support hair and skin renewal without compromise.

Every NULASTIN product is backed by a 100% Performance Guarantee. If our product(s) did not perform up to your expectations, you may exchange or return it at any time for a refund. (Terms & Conditions Apply)

At almost eighty my eyebrows are back. All five of my granddaughters and I love our thicker and longer eyelashes!

Amazing !

I never had full brows or eyelashes . I really need help as I got older (60yo) . I tried Nulastin products for brows and lashes ! I wasn’t expecting too much but hoping ! Wow , the results are amazing . My lashes have never been as full or long . My brows filled in too. I saw results within 2-3 weeks .

Brows

My very fine, thin almost invisible eyebrows are now actually visible. I am quite happy with Nulastin.

Lashes

My lashes are fuller and much longer !
My husband doesn’t notice changes all the time, however He Noticed!! I was so happy he noticed & brought it up!! My lashes were never really noticeable, they are now & it has boosted my confidence.

8 weeks of brow and lashes

I’ve been using the lash and brow system and after 8 weeks I can already see progress in my brows, not so much in my lashes-yet!! I do use these products twice per day!

The best and it works !!

I am a natural redhead and have never had eyebrows or eyelashes, but with Nulastin, I finally do

1 2 3

Young woman applying Nulastin Lash serum and smiling

Frequently Asked Questions

Got a question about LASH and BROW serums? The answer may be right here. If not, feel free to contact us anytime, or check the full list of FAQs.

Yes, when used as directed, our formulas are safe and non-irritating for those who wear contact lenses.

All of our products are designed for ease of use and can be applied under makeup with little or no wait time. For best results, use twice daily to clean, dry eyes and/or skin.

Our exclusive Elastaplex® Technology supports all stages of the natural growth cycle and helps anchor-and-bind hair follicles at the root to reduce shedding and fall out. It’s a proprietary blend of biodesigned and biomimetic (mimic the body’s natural production) signal peptides and proteins, such as elastin and keratin, to help optimize the hair growth cycle.

Other Lash and Brow Products

Shop All

LASH and BROW Dual System

Encourages Look of Length

Amplifies Appearance of Fullness

Shapes & Defines

How to Use

Key Ingredients

Full Ingredients List

Real People. Real Results

Clinically Proven to Amplify the Look of Lashes and Brows

Your Lash and Brow Journey Starts Here

Real Responsibility: We’re rooted in trust and transparency

Safe Science Standards℠

Ingredients with Integrity

100% Performance Guarantee

Customer Reviews

Frequently Asked Questions

Are your products safe for use with contact lenses?

Can I wear the serums under makeup?

How does NULASTIN® with Elastaplex® Technology work and what’s in it?

Other Lash and Brow Products

BROW 2-PACK Shape Altering Serum

BROW 2-PACK Shape Altering Serum

LASH 2-PACK Follicle Fortifying Serum

LASH 2-PACK Follicle Fortifying Serum

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Solution Serum System

BROW 2-PACK Shape Altering Serum

BROW 2-PACK Shape Altering Serum

LASH 2-PACK Follicle Fortifying Serum

LASH 2-PACK Follicle Fortifying Serum

Solution Serum System

Solution Serum System